6329d2b46abffc500a9c0a0adc51073db28c10d00727befeb480e4e0832d238b

Analysis

max time kernel
100s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2022 09:14

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General

Target

SKMB20221912.rtf
Size

3KB
MD5

7098115ca2335c72ab8442bc0b6a2ab6
SHA1

baf1fcae077b05d5686eb641f93c51113f308c5c
SHA256

6329d2b46abffc500a9c0a0adc51073db28c10d00727befeb480e4e0832d238b
SHA512

5c5c6f54f7a63e77baa245ed4b4cd78d0d3390a4a9eb993bba507646e8ce612c00f734c83863667528aac272a26c9d5e1ef5610773770143a8e3ce9a26a7b0db

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4216 WINWORD.EXE
4216 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

4216 WINWORD.EXE
4216 WINWORD.EXE
4216 WINWORD.EXE
4216 WINWORD.EXE
4216 WINWORD.EXE
4216 WINWORD.EXE
4216 WINWORD.EXE

pid	process
4216	WINWORD.EXE
4216	WINWORD.EXE

pid	process
4216	WINWORD.EXE
4216	WINWORD.EXE
4216	WINWORD.EXE
4216	WINWORD.EXE
4216	WINWORD.EXE
4216	WINWORD.EXE
4216	WINWORD.EXE

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\SKMB20221912.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4216

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/4216-132-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/4216-133-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/4216-134-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/4216-135-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/4216-136-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/4216-137-0x00007FFE2F100000-0x00007FFE2F110000-memory.dmp

Filesize
64KB

Download
memory/4216-138-0x00007FFE2F100000-0x00007FFE2F110000-memory.dmp

Filesize
64KB

Download
memory/4216-140-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/4216-141-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/4216-142-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download
memory/4216-143-0x00007FFE319B0000-0x00007FFE319C0000-memory.dmp

Filesize
64KB

Download